html {font-size:100%;height:100%;}
body {
line-height:150%;background-color:#ffffff;color:#333333;font-family:"PingFang SC";
font-size:1.0em;
}
p {margin:20px 5px 20px 5px; color:#333333; font-family:"PingFang SC";font-size: 1.0em}
.body{ min-width: 300px; max-width: 640px; height: auto; margin:auto;font-size: 1.0em;}
br {margin:20px 5px 20px 5px;}
img {width:100%;height:auto;}
